Senior Full-Stack Engineer

The role

You will build the Spherecast Platform, a real-time operating system for global consumer-goods supply chains. You will own features end to end, from data models and APIs to planning interfaces.

What you will do

• Own features end to end from data models and APIs to planning interfaces
• Design architecture that turns operational data into real time actions
• Build full-stack apps including data architecture, API, and UI
• Build data-dense product UIs like interactive charts and drag-and-drop tools
• Write high-performance SQL queries
• Test shipped features using pytest, Playwright, and Vitest
• Design scalable architectures
• Work directly with CPG operators to own product outcomes

Required qualifications

• Hands-on experience with Python and FastAPI on the backend
• Hands-on experience with Vue 3, TypeScript, and Tailwind CSS on the frontend
• Track record of shipping real products
• Track record of building full-stack apps end-to-end
• Experience building data-dense product UIs
• Experience using server-state patterns like TanStack Query
• Proficiency in SQL
• Experience with pytest, Playwright, and Vitest
• System design skills
• Knowledge of Claude Code, Codex, and OpenCode

Nice to have

• Experience building a company before
• Unstructured data ingestion systems
• DevOps
• AWS
• Deep React experience

About the company

Spherecast is building the AI-native Operating System for Consumer Goods Supply Chains. The platform brings demand, inventory, materials, capacity, costs, and business rules into one real-time operating context.